diff options
| author | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-07-19 22:42:07 +0000 |
|---|---|---|
| committer | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-07-19 22:42:07 +0000 |
| commit | 3fe4cd25d4598b79557f7c9c72e8d1c5355293c6 (patch) | |
| tree | 0ba44d7828040d98fc8b57247fc9e7f1558682ef /gcc | |
| parent | b29760a8e6a82c8ddbb584af71ccfdf5a051b96f (diff) | |
| download | gcc-3fe4cd25d4598b79557f7c9c72e8d1c5355293c6.tar.gz | |
2001-07-19 Alexandre Oliva <aoliva@redhat.com>
* simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
old and new operands in `<', `3' and `b'.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44164 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/simplify-rtx.c | 41 |
2 files changed, 34 insertions, 12 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9d7ab64223b..e427ce579af 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2001-07-19 Alexandre Oliva <aoliva@redhat.com> + + * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from + old and new operands in `<', `3' and `b'. + 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk> * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h. diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 70b7240301f..1d090ba7783 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -247,21 +247,38 @@ simplify_replace_rtx (x, old, new) simplify_replace_rtx (XEXP (x, 0), old, new), simplify_replace_rtx (XEXP (x, 1), old, new)); case '<': - return - simplify_gen_relational (code, mode, - (GET_MODE (XEXP (x, 0)) != VOIDmode - ? GET_MODE (XEXP (x, 0)) - : GET_MODE (XEXP (x, 1))), - simplify_replace_rtx (XEXP (x, 0), old, new), - simplify_replace_rtx (XEXP (x, 1), old, new)); + { + enum machine_mode op_mode = (GET_MODE (XEXP (x, 0)) != VOIDmode + ? GET_MODE (XEXP (x, 0)) + : GET_MODE (XEXP (x, 1))); + rtx op0 = simplify_replace_rtx (XEXP (x, 0), old, new); + rtx op1 = simplify_replace_rtx (XEXP (x, 1), old, new); + + return + simplify_gen_relational (code, mode, + (op_mode != VOIDmode + ? op_mode + : GET_MODE (op0) != VOIDmode + ? GET_MODE (op0) + : GET_MODE (op1)), + op0, op1); + } case '3': case 'b': - return - simplify_gen_ternary (code, mode, GET_MODE (XEXP (x, 0)), - simplify_replace_rtx (XEXP (x, 0), old, new), - simplify_replace_rtx (XEXP (x, 1), old, new), - simplify_replace_rtx (XEXP (x, 2), old, new)); + { + enum machine_mode op_mode = GET_MODE (XEXP (x, 0)); + rtx op0 = simplify_replace_rtx (XEXP (x, 0), old, new); + + return + simplify_gen_ternary (code, mode, + (op_mode != VOIDmode + ? op_mode + : GET_MODE (op0)), + op0, + simplify_replace_rtx (XEXP (x, 1), old, new), + simplify_replace_rtx (XEXP (x, 2), old, new)); + } case 'x': /* The only case we try to handle is a SUBREG. */ |